A Cretaceous-era skull found on Vega Island, Antarctica, has been confirmed as a member of the same order as ducks and geese, ...

A new review has documented the remarkable journey of Australia's most critically endangered marsupial, the Gilbert's potoroo ...

A few fossilized body parts hinted at an enigmatic bird's close ties to waterfowl like ducks and geese. A newfound skull may bolster that idea.

Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucatán Peninsula of Mexico ...

Earth’s history is marked by periods of immense destruction, where vast numbers of species vanished in a short time. These ...

Biodiversity is declining across the planet, but what about in Wisconsin, how do we measure it, and how can we stop it?